相反的，电子设备内部的元件都被喷上了防水涂料以提供保护，使得设备没有使用阻碍并且能预防任何意外事故。
Instead, the electronic components inside the device are coated to provide protection, leaving the device unencumbered and always guarded against unexpected accidents.
本文着重对工业供电系统电气设备的接地、接零及漏电保护的原理与安装方法等作了详尽的介绍，旨在确保用电安全，防止触电事故的发生。
This article goes into details on the principle and assemblage of earthing, zeroing and leakage prevention with the view of ensuring power supply safety and hindering electric shock accidents.
在电力继电保护系统中，继电保护设备给出的异常状态信息报文通常可分为两类：事故信息报文和预告信息报文。
In the system of relay protection of electric power, abnormal state information given by relay protection devices has two types: accident information message and warning information message.
有效保护微波设备的安全运行，有效控制危险事故的发生。
Effective protection of the safe operation of microwave equipment, effective control of the occurrence of dangerous accidents.
在电气设备中正确地使用保护接地和保护接零，可避免触电事故的发生，保障人身财产安全。
We properly use the safeguard and public return circuit in electrical equipment and we can avoid the accident to get an electric shock and guarantee the property and personal safety.
介绍了PLC在碎煤机控制和保护中的应用，简化了硬件结构并完善了保护系统，从而大大降低了设备事故率。
The application of PLC in the control and protection of crusher is introduced, which has simplified hardware structure, perfected the protection system and reduced the motors failure.
介绍了PLC在碎煤机控制和保护中的应用，简化了硬件结构并完善了保护系统，从而大大降低了设备事故率。
The application of PLC in the control and protection of crusher is introduced, which has simplified hardware structure, perfected the protection system and reduced the motors failure.
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